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<!-- ==================== MODULE DESCRIPTION ==================== -->
<h1 class="epydoc">Module testfuncs</h1><p class="nomargin-top"><span class="codelink"><a href="octant.extern.delaunay.testfuncs-pysrc.html">source&nbsp;code</a></span></p>
<p>Some test functions for bivariate interpolation.</p>
  <p>Most of these have been yoinked from ACM TOMS 792. 
  http://netlib.org/toms/792</p>

<!-- ==================== CLASSES ==================== -->
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<!-- ==================== FUNCTIONS ==================== -->
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      <span class="summary-type">&nbsp;</span>
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      <table width="100%" cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td><span class="summary-sig"><a name="allquality"></a><span class="summary-sig-name">allquality</span>(<span class="summary-sig-arg">interpolator</span>=<span class="summary-sig-default"><code class="variable-quote">'</code><code class="variable-string">nn</code><code class="variable-quote">'</code></span>,
        <span class="summary-sig-arg">allfuncs</span>=<span class="summary-sig-default"><code class="variable-group">[</code>&lt;function exponential at 0x2cac930&gt;<code class="variable-op">, </code>&lt;function cliff at 0x2ca<code class="variable-ellipsis">...</code></span>,
        <span class="summary-sig-arg">data</span>=<span class="summary-sig-default">{'uniform9': &lt;octant.extern.delaunay.testfuncs.TestDataSet obj<code class="variable-ellipsis">...</code></span>,
        <span class="summary-sig-arg">n</span>=<span class="summary-sig-default">33</span>)</span></td>
          <td align="right" valign="top">
            <span class="codelink"><a href="octant.extern.delaunay.testfuncs-pysrc.html#allquality">source&nbsp;code</a></span>
            
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      <span class="summary-type">&nbsp;</span>
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          <td><span class="summary-sig"><a name="cliff"></a><span class="summary-sig-name">cliff</span>(<span class="summary-sig-arg">x</span>,
        <span class="summary-sig-arg">y</span>)</span></td>
          <td align="right" valign="top">
            <span class="codelink"><a href="octant.extern.delaunay.testfuncs-pysrc.html#cliff">source&nbsp;code</a></span>
            
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          <td><span class="summary-sig"><a name="cloverleaf"></a><span class="summary-sig-name">cloverleaf</span>(<span class="summary-sig-arg">x</span>,
        <span class="summary-sig-arg">y</span>)</span></td>
          <td align="right" valign="top">
            <span class="codelink"><a href="octant.extern.delaunay.testfuncs-pysrc.html#cloverleaf">source&nbsp;code</a></span>
            
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          <td><span class="summary-sig"><a name="constant"></a><span class="summary-sig-name">constant</span>(<span class="summary-sig-arg">x</span>,
        <span class="summary-sig-arg">y</span>)</span></td>
          <td align="right" valign="top">
            <span class="codelink"><a href="octant.extern.delaunay.testfuncs-pysrc.html#constant">source&nbsp;code</a></span>
            
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      <span class="summary-type">&nbsp;</span>
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          <td><span class="summary-sig"><a name="cosine_peak"></a><span class="summary-sig-name">cosine_peak</span>(<span class="summary-sig-arg">x</span>,
        <span class="summary-sig-arg">y</span>)</span></td>
          <td align="right" valign="top">
            <span class="codelink"><a href="octant.extern.delaunay.testfuncs-pysrc.html#cosine_peak">source&nbsp;code</a></span>
            
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          <td><span class="summary-sig"><a name="exponential"></a><span class="summary-sig-name">exponential</span>(<span class="summary-sig-arg">x</span>,
        <span class="summary-sig-arg">y</span>)</span></td>
          <td align="right" valign="top">
            <span class="codelink"><a href="octant.extern.delaunay.testfuncs-pysrc.html#exponential">source&nbsp;code</a></span>
            
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          <td><span class="summary-sig"><a name="funky"></a><span class="summary-sig-name">funky</span>()</span></td>
          <td align="right" valign="top">
            <span class="codelink"><a href="octant.extern.delaunay.testfuncs-pysrc.html#funky">source&nbsp;code</a></span>
            
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          <td><span class="summary-sig"><a name="gauss"></a><span class="summary-sig-name">gauss</span>(<span class="summary-sig-arg">x</span>,
        <span class="summary-sig-arg">y</span>)</span></td>
          <td align="right" valign="top">
            <span class="codelink"><a href="octant.extern.delaunay.testfuncs-pysrc.html#gauss">source&nbsp;code</a></span>
            
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          <td><span class="summary-sig"><a name="gentle"></a><span class="summary-sig-name">gentle</span>(<span class="summary-sig-arg">x</span>,
        <span class="summary-sig-arg">y</span>)</span></td>
          <td align="right" valign="top">
            <span class="codelink"><a href="octant.extern.delaunay.testfuncs-pysrc.html#gentle">source&nbsp;code</a></span>
            
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      <span class="summary-type">&nbsp;</span>
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          <td><span class="summary-sig"><a name="plot_cc"></a><span class="summary-sig-name">plot_cc</span>(<span class="summary-sig-arg">tri</span>,
        <span class="summary-sig-arg">edgecolor</span>=<span class="summary-sig-default">None</span>)</span></td>
          <td align="right" valign="top">
            <span class="codelink"><a href="octant.extern.delaunay.testfuncs-pysrc.html#plot_cc">source&nbsp;code</a></span>
            
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      <span class="summary-type">&nbsp;</span>
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          <td><span class="summary-sig"><a name="plot_dt"></a><span class="summary-sig-name">plot_dt</span>(<span class="summary-sig-arg">tri</span>,
        <span class="summary-sig-arg">colors</span>=<span class="summary-sig-default">None</span>)</span></td>
          <td align="right" valign="top">
            <span class="codelink"><a href="octant.extern.delaunay.testfuncs-pysrc.html#plot_dt">source&nbsp;code</a></span>
            
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      <span class="summary-type">&nbsp;</span>
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      <table width="100%" cellpadding="0" cellspacing="0" border="0">
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          <td><span class="summary-sig"><a name="plot_vo"></a><span class="summary-sig-name">plot_vo</span>(<span class="summary-sig-arg">tri</span>,
        <span class="summary-sig-arg">colors</span>=<span class="summary-sig-default">None</span>)</span></td>
          <td align="right" valign="top">
            <span class="codelink"><a href="octant.extern.delaunay.testfuncs-pysrc.html#plot_vo">source&nbsp;code</a></span>
            
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      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
      <table width="100%" cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td><span class="summary-sig"><a name="plotallfuncs"></a><span class="summary-sig-name">plotallfuncs</span>(<span class="summary-sig-arg">allfuncs</span>=<span class="summary-sig-default"><code class="variable-group">[</code>&lt;function exponential at 0x2cac930&gt;<code class="variable-op">, </code>&lt;function cliff at 0x2ca<code class="variable-ellipsis">...</code></span>)</span></td>
          <td align="right" valign="top">
            <span class="codelink"><a href="octant.extern.delaunay.testfuncs-pysrc.html#plotallfuncs">source&nbsp;code</a></span>
            
          </td>
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    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
      <table width="100%" cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td><span class="summary-sig"><a href="octant.extern.delaunay.testfuncs-module.html#quality" class="summary-sig-name">quality</a>(<span class="summary-sig-arg">func</span>,
        <span class="summary-sig-arg">mesh</span>,
        <span class="summary-sig-arg">interpolator</span>=<span class="summary-sig-default"><code class="variable-quote">'</code><code class="variable-string">nn</code><code class="variable-quote">'</code></span>,
        <span class="summary-sig-arg">n</span>=<span class="summary-sig-default">33</span>)</span><br />
      Compute a quality factor (the quantity r**2 from TOMS792).</td>
          <td align="right" valign="top">
            <span class="codelink"><a href="octant.extern.delaunay.testfuncs-pysrc.html#quality">source&nbsp;code</a></span>
            
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    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
      <table width="100%" cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td><span class="summary-sig"><a name="saddle"></a><span class="summary-sig-name">saddle</span>(<span class="summary-sig-arg">x</span>,
        <span class="summary-sig-arg">y</span>)</span></td>
          <td align="right" valign="top">
            <span class="codelink"><a href="octant.extern.delaunay.testfuncs-pysrc.html#saddle">source&nbsp;code</a></span>
            
          </td>
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    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
      <table width="100%" cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td><span class="summary-sig"><a name="sphere"></a><span class="summary-sig-name">sphere</span>(<span class="summary-sig-arg">x</span>,
        <span class="summary-sig-arg">y</span>)</span></td>
          <td align="right" valign="top">
            <span class="codelink"><a href="octant.extern.delaunay.testfuncs-pysrc.html#sphere">source&nbsp;code</a></span>
            
          </td>
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    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
      <table width="100%" cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td><span class="summary-sig"><a name="steep"></a><span class="summary-sig-name">steep</span>(<span class="summary-sig-arg">x</span>,
        <span class="summary-sig-arg">y</span>)</span></td>
          <td align="right" valign="top">
            <span class="codelink"><a href="octant.extern.delaunay.testfuncs-pysrc.html#steep">source&nbsp;code</a></span>
            
          </td>
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    </td>
  </tr>
<tr>
    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
      <table width="100%" cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td><span class="summary-sig"><a name="trig"></a><span class="summary-sig-name">trig</span>(<span class="summary-sig-arg">x</span>,
        <span class="summary-sig-arg">y</span>)</span></td>
          <td align="right" valign="top">
            <span class="codelink"><a href="octant.extern.delaunay.testfuncs-pysrc.html#trig">source&nbsp;code</a></span>
            
          </td>
        </tr>
      </table>
      
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<tr>
    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
      <table width="100%" cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td><span class="summary-sig"><a name="xramp"></a><span class="summary-sig-name">xramp</span>(<span class="summary-sig-arg">x</span>,
        <span class="summary-sig-arg">y</span>)</span></td>
          <td align="right" valign="top">
            <span class="codelink"><a href="octant.extern.delaunay.testfuncs-pysrc.html#xramp">source&nbsp;code</a></span>
            
          </td>
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      </table>
      
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  </tr>
<tr>
    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
      <table width="100%" cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td><span class="summary-sig"><a name="yramp"></a><span class="summary-sig-name">yramp</span>(<span class="summary-sig-arg">x</span>,
        <span class="summary-sig-arg">y</span>)</span></td>
          <td align="right" valign="top">
            <span class="codelink"><a href="octant.extern.delaunay.testfuncs-pysrc.html#yramp">source&nbsp;code</a></span>
            
          </td>
        </tr>
      </table>
      
    </td>
  </tr>
</table>
<!-- ==================== VARIABLES ==================== -->
<a name="section-Variables"></a>
<table class="summary" border="1" cellpadding="3"
       cellspacing="0" width="100%" bgcolor="white">
<tr bgcolor="#70b0f0" class="table-header">
  <td align="left" colspan="2" class="table-header">
    <span class="table-header">Variables</span></td>
</tr>
<tr>
    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
        <a href="octant.extern.delaunay.testfuncs-module.html#allfuncs" class="summary-name">allfuncs</a> = <code title="[&lt;function exponential at 0x2cac930&gt;,
 &lt;function cliff at 0x2cac970&gt;,
 &lt;function saddle at 0x2cac9b0&gt;,
 &lt;function gentle at 0x2cac9f0&gt;,
 &lt;function steep at 0x2caca30&gt;,
 &lt;function sphere at 0x2caca70&gt;,
 &lt;function trig at 0x2cacab0&gt;,
 &lt;function gauss at 0x2cacaf0&gt;,
..."><code class="variable-group">[</code>&lt;function exponential at 0x2cac930&gt;<code class="variable-op">, </code>&lt;function cli<code class="variable-ellipsis">...</code></code>
    </td>
  </tr>
<tr>
    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
        <a href="octant.extern.delaunay.testfuncs-module.html#data" class="summary-name">data</a> = <code title="{'uniform9': &lt;octant.extern.delaunay.testfuncs.TestDataSet object at 0\
x2ca7c30&gt;, 'lawson25': &lt;octant.extern.delaunay.testfuncs.TestDataSet o\
bject at 0x2ca7bf0&gt;, 'franke100': &lt;octant.extern.delaunay.testfuncs.Te\
stDataSet object at 0x2ca7b90&gt;, 'franke33': &lt;octant.extern.delaunay.te\
stfuncs.TestDataSet object at 0x2ca7bd0&gt;, 'random100': &lt;octant.extern.\
delaunay.testfuncs.TestDataSet object at 0x2ca7c10&gt;}">{'uniform9': &lt;octant.extern.delaunay.testfuncs.TestData<code class="variable-ellipsis">...</code></code>
    </td>
  </tr>
</table>
<!-- ==================== FUNCTION DETAILS ==================== -->
<a name="section-FunctionDetails"></a>
<table class="details" border="1" cellpadding="3"
       cellspacing="0" width="100%" bgcolor="white">
<tr bgcolor="#70b0f0" class="table-header">
  <td align="left" colspan="2" class="table-header">
    <span class="table-header">Function Details</span></td>
</tr>
</table>
<a name="quality"></a>
<div>
<table class="details" border="1" cellpadding="3"
       cellspacing="0" width="100%" bgcolor="white">
<tr><td>
  <table width="100%" cellpadding="0" cellspacing="0" border="0">
  <tr valign="top"><td>
  <h3 class="epydoc"><span class="sig"><span class="sig-name">quality</span>(<span class="sig-arg">func</span>,
        <span class="sig-arg">mesh</span>,
        <span class="sig-arg">interpolator</span>=<span class="sig-default"><code class="variable-quote">'</code><code class="variable-string">nn</code><code class="variable-quote">'</code></span>,
        <span class="sig-arg">n</span>=<span class="sig-default">33</span>)</span>
  </h3>
  </td><td align="right" valign="top"
    ><span class="codelink"><a href="octant.extern.delaunay.testfuncs-pysrc.html#quality">source&nbsp;code</a></span>&nbsp;
    </td>
  </tr></table>
  
  <p>Compute a quality factor (the quantity r**2 from TOMS792).</p>
  <p>interpolator must be in ('linear', 'nn').</p>
  <dl class="fields">
  </dl>
</td></tr></table>
</div>
<br />
<!-- ==================== VARIABLES DETAILS ==================== -->
<a name="section-VariablesDetails"></a>
<table class="details" border="1" cellpadding="3"
       cellspacing="0" width="100%" bgcolor="white">
<tr bgcolor="#70b0f0" class="table-header">
  <td align="left" colspan="2" class="table-header">
    <span class="table-header">Variables Details</span></td>
</tr>
</table>
<a name="allfuncs"></a>
<div>
<table class="details" border="1" cellpadding="3"
       cellspacing="0" width="100%" bgcolor="white">
<tr><td>
  <h3 class="epydoc">allfuncs</h3>
  
  <dl class="fields">
  </dl>
  <dl class="fields">
    <dt>Value:</dt>
      <dd><table><tr><td><pre class="variable">
<code class="variable-group">[</code>&lt;function exponential at 0x2cac930&gt;<code class="variable-op">,</code>
 &lt;function cliff at 0x2cac970&gt;<code class="variable-op">,</code>
 &lt;function saddle at 0x2cac9b0&gt;<code class="variable-op">,</code>
 &lt;function gentle at 0x2cac9f0&gt;<code class="variable-op">,</code>
 &lt;function steep at 0x2caca30&gt;<code class="variable-op">,</code>
 &lt;function sphere at 0x2caca70&gt;<code class="variable-op">,</code>
 &lt;function trig at 0x2cacab0&gt;<code class="variable-op">,</code>
 &lt;function gauss at 0x2cacaf0&gt;<code class="variable-op">,</code>
<code class="variable-ellipsis">...</code>
</pre></td></tr></table>
</dd>
  </dl>
</td></tr></table>
</div>
<a name="data"></a>
<div>
<table class="details" border="1" cellpadding="3"
       cellspacing="0" width="100%" bgcolor="white">
<tr><td>
  <h3 class="epydoc">data</h3>
  
  <dl class="fields">
  </dl>
  <dl class="fields">
    <dt>Value:</dt>
      <dd><table><tr><td><pre class="variable">
{'uniform9': &lt;octant.extern.delaunay.testfuncs.TestDataSet object at 0<span class="variable-linewrap"><img src="crarr.png" alt="\" /></span>
x2ca7c30&gt;, 'lawson25': &lt;octant.extern.delaunay.testfuncs.TestDataSet o<span class="variable-linewrap"><img src="crarr.png" alt="\" /></span>
bject at 0x2ca7bf0&gt;, 'franke100': &lt;octant.extern.delaunay.testfuncs.Te<span class="variable-linewrap"><img src="crarr.png" alt="\" /></span>
stDataSet object at 0x2ca7b90&gt;, 'franke33': &lt;octant.extern.delaunay.te<span class="variable-linewrap"><img src="crarr.png" alt="\" /></span>
stfuncs.TestDataSet object at 0x2ca7bd0&gt;, 'random100': &lt;octant.extern.<span class="variable-linewrap"><img src="crarr.png" alt="\" /></span>
delaunay.testfuncs.TestDataSet object at 0x2ca7c10&gt;}
</pre></td></tr></table>
</dd>
  </dl>
</td></tr></table>
</div>
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